========================================================================Ubuntu Security Notice USN-5821-4
March 02, 2023
python-pip regression
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Summary:
USN-5821-3 caused a minor regression in pip.
Software Description:
- python-pip: Python package installer
Details:
USN-5821-3 fixed a vulnerability in pip. The update introduced
a minor regression in Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and
Ubuntu 18.04 LTS. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Sebastian Chnelik discovered that wheel incorrectly handled
certain file names when validated against a regex expression.
An attacker could possibly use this issue to cause a
denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
python-pip 9.0.1-2.3~ubuntu1.18.04.8
python-pip-whl 9.0.1-2.3~ubuntu1.18.04.8
python3-pip 9.0.1-2.3~ubuntu1.18.04.8
Ubuntu 16.04 ESM:
python-pip 8.1.1-2ubuntu0.6+esm5
python-pip-whl 8.1.1-2ubuntu0.6+esm5
python3-pip 8.1.1-2ubuntu0.6+esm5
Ubuntu 14.04 ESM:
python-pip 1.5.4-1ubuntu4+esm4
python-pip-whl 1.5.4-1ubuntu4+esm4
python3-pip 1.5.4-1ubuntu4+esm4
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5821-4
https://ubuntu.com/security/notices/USN-5821-1
Package Information:
https://launchpad.net/ubuntu/+source/python-pip/9.0.1-2.3~ubuntu1.18.04.8
